单项选择题
One advantage of dry cylinder liners used in a diesel engine is the（）
A.lower thermal expansion rates than wet liners B.greater heat transfer rate than wet liners C.greater wear resistance than wet liners D.procedure to replace dry liners is simpler than for wet liners
单项选择题 Intake air flow from a diesel engine turbocharger is directly proportional to engine（）
单项选择题 Which of the listed conditions can be used to determine if lube oil has been diluted by fuel? （）
单项选择题 It is easier to replace a dry cylinder liner than a wet one because（）
